chore(deps): update actions/checkout action to v6

Author: renovate[bot]

.github/workflows/create-release.yaml

@@ -22,7 +22,7 @@ jobs:
           java-version: '21'
 
       - name: Checkout repo
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
         with:
           fetch-depth: 0
 
@@ -60,7 +60,7 @@ jobs:
     if: needs.check-version.outputs.should_run_next_job == 'true'
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
         with:
           ref: ${{ github.ref }}
           fetch-depth: 0

.github/workflows/maven.yml

@@ -20,7 +20,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-    - uses: actions/checkout@v5
+    - uses: actions/checkout@v6
 
     - name: Set up JDK 21
       uses: actions/setup-java@v5

.github/workflows/pr-version.yaml

@@ -14,7 +14,7 @@ jobs:
       contains(github.event.pull_request.labels.*.name, 'Version Update - Prod')
     steps:
       - name: Checkout PR branch
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
         with:
           ref: ${{ github.head_ref }}
 

.github/workflows/scheduled-version-update.yaml

@@ -19,7 +19,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
         with:
           ref: main
           fetch-depth: 0
@@ -122,7 +122,7 @@ jobs:
     runs-on: ubuntu-latest
     needs: update-version
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - name: Wait for merged version commit
         run: |
           echo "Fetching main branch..."